For a mutation to affect evolution it has to be passed on to all the offspring if that is what you mean.
<span>The inserted genes may have unexpected harmful effects.</span>
It's for sure not A because having thick fur will only make you hotter, and thus you will suffer a heat stroke. It's not C because small ears would not be long enough to provide you with cooling. That one does not make sense. It could be D, but the species would need to have alot of muscles in order to be consistently flapping there ears for the constant hear. Answer is B because it is the most logic, and the fewer amount of fur, the less hotter you will be, especially if your fur provides insulation.
Answer is B. Species B because fur would provide insulation.
The answer would be an Ecologist
Because the cells can only use energy in form of ATP.
Its like you can't run a diesel truck on petrol.